Xray XB4 Instruction Manual
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Xray XB4 Instruction Manual

1/10 luxury electric off-road buggy 4wd
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  • Page 2: Safety Precautions

    Fax: (214) 744-2401 of our customers. E-mail: info@teamxray.com E-mail: xray@rcamerica.com You can join thousands of XRAY fans and enthusiasts in our online community at: www.teamxray.com FAILURE TO FOLLOW THESE INSTRUCTIONS WILL BE CONSIDERED AS ABUSE AND/OR NEGLECT. SAFETY PRECAUTIONS Contains: reference, even after completing the assembly.
  • Page 3 Therefore we ask you, if at all possible, to purchase • For the best performance, it is very important that great care is taken to XRAY products at your hobby dealer and give them your support like we do. ensure the free movement of all parts.
  • Page 4 SYMBOLS USED Part bags used Assemble in the Assemble left and Pay attention Assemble as many Apply Apply CA glue Apply oil specified order right sides the here times as specified threadlock same way (here twice) Detail Apply cleaner Scale Apply grease Optional Ensure smooth...
  • Page 5 XRAY offers wide range of optional tuning parts which are listed in tables SAMPLE OF OPTIONAL PARTS like these.
  • Page 6 1. FRONT & REAR DIFFERENTIAL 981210 #364941 STEEL DIFFERENTIAL BEVEL GEAR 964031 FOR LARGE VOLUME DIFF 41T 941014 304932 971050 364962 964031 304980 364912 964050 964050 304932 304990 304932 #364912-G 364940 GEAR DIFFERENTIAL CASE - LARGE VOLUME - GRAPHITE 981210 971050 964031 364920...
  • Page 7 1. FRONT & REAR DIFFERENTIAL Front diff Rear diff 10.000cSt 10.000cSt Silicone oil Silicone oil Fill just above the Fill just above the cross-pins. cross-pins. 964031 S 3.5x10x0.2 PROPER AMOUNT OF OIL IN THE DIFFS Use a digital scale to measure the exact amount of oil in the diff.
  • Page 8 364903+364940 940815 902306 XRAY BALL-BEARING #359050 5x10x4 GREASE OPTION #940510 5x10x4 OIL INCLUDED #363084 #940814 8x14x4 GREASE OPTION XB4 ALU REAR SHOCK TOWER 3.0MM - V2 362005 #940815 8x14x4 OIL INCLUDED 902310 DRIVE SHAFT COLLAR #365470 COMPOSITE INCLUDED #365471-K ALU - BLACK...
  • Page 9 ALTERNATIVE 2 Rear shock tower mounted from the FRONT Rear shock tower mounted from the REAR INITIAL SETTING Follow the TECH TIP on page 5 902310 to prepare graphite parts SH M3x10 #363084 XB4 ALU REAR SHOCK TOWER 3.0MM - V2...
  • Page 10 #359050 5x10x4 GREASE OPTION #940510 5x10x4 OIL INCLUDED #940814 8x14x4 GREASE OPTION #362085 #940815 8x14x4 OIL INCLUDED 362083 XB4 ALU FRONT SHOCK TOWER 3.0MM 902310 DRIVE SHAFT COLLAR #365470 COMPOSITE INCLUDED #365471-K ALU - BLACK OPTION #365471-O ALU - ORANGE OPTION 325324 DRIVE SHAFT 75MM WITH 2.5MM PIN - HUDY SPRING STEEL™...
  • Page 11 #940814 8x14x4 GREASE OPTION P 2x8 #940815 8x14x4 OIL INCLUDED 902310 SH M3x10 NOTE ORIENTATION FRONT DIFF 10.000 cSt 902310 NOTE ORIENTATION SH M3x10 Follow the TECH TIP on page 5 to prepare graphite parts #362085 XB4 ALU FRONT SHOCK TOWER 3.0MM...
  • Page 12 3. REAR SUSPENSION 903312 362315 363122-H 363324 367210 362315 363112-H 902308 363122-H 363112-H 363315 903312 362478 901304 362005 901303 303431-K 303454 901308 Remove the 3x6.5x2mm shim from each rear arm. 303454 SHORT REAR SUSPENSION ARM #363112-H RIGHT HARD INCLUDED ANTI-ROLL BARS #363122-H LEFT HARD INCLUDED...
  • Page 13 Outer position = 1° or 0.75mm from center. The XRAY rear alu lower suspension holders provide great range of adjustment for the rear suspension. Using different combinations of eccentric bushings, fine adjustment of rear anti-squat, rear toe-in, rear roll center, and rear track-width can be obtained. For more information about the influence of rear anti-squat, rear toe-in, rear roll center and rear track width on car handling, please refer to HUDY Set-up Book (#209100).
  • Page 14 3. REAR SUSPENSION 901308 SB M3x8 DETAIL 1.5mm ANTI-ROLL BARS 901303 #362470 1.0mm OPTION SB M3x3 #362471 1.1mm OPTION STEP DETAIL ➌ #362472 1.2mm OPTION DETAIL #362473 1.3mm OPTION 901304 SB M3x4 #362474 1.4mm OPTION #362476 1.6mm OPTION #362478 1.8mm INCLUDED #362480 2.0mm OPTION...
  • Page 15 3. FRONT SUSPENSION 903312 362315 362322 367210 362312 362315 903312 362112-H 902308 361201 362112-H 362478 901303 303454 901308 303431-K 362004 901304 303454 902308 Remove the 3x6.5x2mm shim from each front arm. ANTI-ROLL BARS #362470 1.0mm OPTION SHORT FRONT SUSPENSION ARM #362471 1.1mm OPTION #362112...
  • Page 16 Outer position = 1° or 0.75mm from center. The XRAY alu front lower suspension holders provide great range of adjustment for the front suspension. Using different combinations of eccentric bushings, fine adjustment of front kick-up, roll-center, and front track-width can be obtained. For more information about the influence of kick-up, front track-width, and roll centers on car handling, please refer to HUDY Set-up Book (#209100).
  • Page 17 3. FRONT SUSPENSION 901308 DETAIL SB M3x8 1.5mm 902308 SH M3x8 STEP DETAIL ➌ ANTI-ROLL BARS DETAIL #362470 1.0mm OPTION 901303 SB M3x3 #362471 1.1mm OPTION #362472 1.2mm OPTION #362473 1.3mm OPTION 901304 #362474 1.4mm OPTION SB M3x4 #362476 1.6mm OPTION #362478 1.8mm INCLUDED...
  • Page 18 #325390 ALU SHIM 10x12x2MM (2) - SWISS 7075 T6 WHEEL HUBS 12MM #365360 +4.5mm - (6 slots) OPTION #365359 +3.75mm (5 slots) OPTION #365358 +3.0mm (4 slots) OPTION XRAY BALL-BEARING ALU CONICAL SHIM #365357 +2.25mm (3 slots ) OPTION #940512 5x12x4 OPTION...
  • Page 19 #325326 73mm OPTION LESS OFFSET MORE OFFSET #325324 75mm INCLUDED Rear - more traction Rear - less traction Front - more steering Front - less steering XRAY BALL-BEARING REAR UPRIGHTS #940512 5x12x4 OIL OPTION #323354-H HARD INCLUDED #941015 10x15x4 OIL OPTION...
  • Page 20 4. REAR TRANSMISSION Ensure that the rear upright 306219 moves freely. If it does not move SHIM 3x6x1 LONGER WHEELBASE freely, use sandpaper to thin both wheelbase adjustment shims. Adjustment Shim IN FRONT OF HUB moves hub rearward. 306219 SHIM 3x6x2 902254 SH M2.5x4 SHORTER WHEELBASE...
  • Page 21 4. FRONT TRANSMISSION WHEEL HUBS 12MM XRAY BALL-BEARING #365360 +4.5mm - (6 slots) OPTION #940510 5x10x4 OPTION #365359 +3.75mm (5 slots) OPTION #940512 5x12x4 OPTION #365358 +3.0mm (4 slots) OPTION #359050 5x10x4 GREASE INCLUDED #365357 +2.25mm (3 slots) OPTION #940513...
  • Page 22 ➍ #106213 HUDY JOINT GREASE - OPTION #365222 CVD FRONT DRIVE SHAFT 81mm (2.5mm PIN) SHORT AXLE - HUDY SPRING STEEL™ Use HUDY Ball-Bearing Grease XRAY BALL-BEARING #106220 - STANDARD #106221 - BLUE #940510 5x10x4 OPTION #106222 - RED 359050...
  • Page 23 4. FRONT TRANSMISSION Check for free movement 901306 SB M3x6 DO NOT OVERTIGHTEN ARM REAMER ➋ (HUDY #107633) 20mm If the C-hub does not move freely, use a HUDY Arm Reamer to resize the hole. NOTE ORIENTATION ➊ 32.5mm THREAD THREAD THREAD Install the pivot balls with Professional...
  • Page 24 HEX SCREW SFH M3x8 (10) 361182 COMPOSITE REAR LOWER BRACE 903310 HEX SCREW SFH M3x10 (10) 361280 XB4’20 GRAPHITE REAR CHASSIS PLATE 2MM - NARROW 903312 HEX SCREW SFH M3x12 (10) 361296 COMPOSITE CHASSIS BRACE FRONT - HARD 903314 HEX SCREW SFH M3x14 (10)
  • Page 25 4. FRONT & REAR ASSEMBLY #361269-M COMPOSITE CHASSIS SIDE GUARDS L+R (MEDIUM) 903308 SFH M3x8 903310 SFH M3x10 The medium side guards increase chassis flex and are recommended for low-traction tracks. #361108 ALU CHASSIS - SWISS 7075 T6 (2.5MM) 903314 SFH M3x14 3x10mm 960030...
  • Page 26 4. FRONT & REAR ASSEMBLY 3x16mm 902316 SH M3x16 903310 After you mount the rear suspension assembly SFH M3x10 to the chassis, fully tighten all 4 screws that were previously left untightened (page 25, step 2). 903316 SFH M3x16 3x16mm 3x10mm 3x12mm DETAIL...
  • Page 27 5. STEERING 362571 302665 352610 362280 302665 362652 302665 361322 352610 362581 303127-K 302665 902310 940508 362540 903308 362290 362510 303127-K 362290 940508 902310 #362510-G COMPOSITE SERVO SAVER - GRAPHITE 362510 362510 332540 902310 970100 332561 #362574 940508 ALU STEERING PLATE 2-HOLE 362551 940508 #362571-G...
  • Page 28 5. STEERING THREAD LOCK 970100 O 10x1.5 INITIAL PRELOAD SETTING DETAIL 3~4mm CLEANER SERVO SAVER NOTE ORIENTATION STEERING PLATE #362571 HARD INCLUDED #362571-G GRAPHITE OPTION #362574 OPTION 902310 SH M3x10 Increases steering precision and predictability and is recommended for use in high-traction conditions.
  • Page 29 5. STEERING 903308 SFH M3x8 31mm THREAD Install the pivot balls with Professional 10mm Thread Multi Tool (HUDY #183011) THREAD 362280 CON. SHIM 3x6x2 NOTE ORIENTATION Adjustment block towards outside view DETAIL CONICAL SHIM 2mm NOTE ORIENTATION INITIAL POSITION DETAIL NOTE ORIENTATION Adjustment block towards outside ALU CONICAL SHIM...
  • Page 30 #365881 81T / 48 INCLUDED 903308 #365884 84T / 48 OPTION #365887 87T / 48 OPTION 361176 XB4’20 GRAPHITE CENTER UPPER DECK 2MM 365881 COMPOSITE SLIPPER CLUTCH SPUR GEAR 81T / 48 - GRAPHITE 361188 XB4’20 GRAPHITE REAR UPPER BRACE 2MM 361320 BODY MOUNT, BATTERY MOUNT - V2 &...
  • Page 31 6. SLIPPER CLUTCH ASSEMBLY TIGHTEN GENTLY 902318 SH M3x18 903308 SFH M3x8 NOTE ORIENTATION #364024 ALU CENTRAL BULKHEAD #364904 GEAR CENTER DIFFERENTIAL - SET 941015 BB 10x15x4 BEARING OIL (HUDY #106230) Increases on-power steering for nearly all types of tracks and is ideal for both carpet and clay tracks.
  • Page 32 6. SLIPPER CLUTCH ASSEMBLY SLIPPER CLUTCH ADJUSTMENT Untighten set-screw ➊ The Slipper Clutch can be adjusted by loosening the set-screw and then, while Adjust ➋ keeping the tool inside of the set-screw, rotating the spur gear by hand as Tighten set-screw ➌...
  • Page 33 7. SHOCK ABSORBERS PISTONS DETAIL holes holes holes (Create custom holes) (1.6mm) (1.7mm) (0mm - use required drill pin) 368010 965023 368031 Thick Shim Thick Shim Thin Shim 368160 363240 368120 902205 970120 306219 holes holes holes (Create custom holes) (OPTION) (1.6mm) (1.7mm)
  • Page 34 7. SHOCK ABSORBERS ➋ There are two different thickness shims, use ➌ them as shown. Use the same procedure when 965023 ➊ C 2.3 building both front and rear shocks. THICK Shim 2 holes (1.6mm) 970080 O-ring O 8x1 THIN Shim INITIAL PISTON 972031 SETTING...
  • Page 35 7. SHOCK ABSORBERS IMPORTANT UP-STOP TRAVEL SETTINGS It is very important to have properly set the up-stop travel to avoid damage to the drive shaft and diff outdrives. UP-STOP SHIM To avoid collision of the drive shaft with diff outdrives use the up-stop travel shims to set-up the up-stop travel.

  • Page 36: Final Assembly

    COMPOSITE BATTERY HOLDER STAND (2) 363510 LEXAN REAR WING (2) 366160 FOAM SPACER FOR BATTERY 369705 XRAY XB4 BODY 366220 INDEPENDENT SERVO MOUNT - V2 - SET 369912 FRONT WHEEL AERODISK WITH 12MM HEX - WHITE (2) 368045 STEEL SCREW SHOCK PIVOT BALL WITH HEX (2)
  • Page 37 8. FINAL ASSEMBLY INITIAL POSITION ➋ DETAIL ➊ ➍ 902316 SH M3x16 NOTE DETAIL ORIENTATION 960030 INITIAL POSITION N M3 ➌ ➌ INITIAL POSITION ALU NUTS M3 #296530-B BLUE OPTION ➋ #296530-K BLACK OPTION #296530-O ORANGE OPTION #960031 SILVER INCLUDED ➊...
  • Page 38 8. FINAL ASSEMBLY 903306 SFH M3x6 NOTE ORIENTATION ➋ 902310 SH M3x10 Pinion ➊ (NOT INCLUDED) ➊ PINIONS ➋ #365718 18T / 48P #365719 19T / 48P #365720 20T / 48P #365721 21T / 48P Loosen the screw ➊ #365722 22T / 48P Insert motor into the bulkhead ➋...
  • Page 39 8. FINAL ASSEMBLY Speed Controller (NOT INCLUDED) 903308 SFH M3x8 Receiver (NOT INCLUDED) 903310 Feed the receiver wire SFH M3x10 into the antenna tube Double-sided Tape HUDY #107875 (NOT INCLUDED) 3x8mm Double-sided Tape 3x10mm HUDY #107875 (NOT INCLUDED) Self-adhesive Foam Strip (#107871 HUDY) ALTERNATIVE 1 ALTERNATIVE 2...
  • Page 40 INITIAL POSITION XRAY LEXAN BODY LESS TRACTION #369703 0.75mm OPTION #369704 0.50mm OPTION #369705 0.75mm ALPHA INCLUDED MORE TRACTION #369706 0.50mm ALPHA OPTION XRAY LEXAN REAR WING #323510 1.0mm OPTION #323511 1.5mm OPTION #323513 1.0mm RANK OPTION #323517 1.0mm OPTION #363510 1.0mm...
  • Page 41 8. FINAL ASSEMBLY 960240 N M4 Rear wheel (WIDE) #369912-M 4WD FRONT WHEEL AERODISK WITH 12MM HEX IFMAR - WHITE - M (2) Front wheel (NARROW) #329913-M 2WD/4WD REAR WHEEL AERODISK 12MM HEX IFMAR - WHITE - M (2 OPTIONAL ALU WING SHIM #293561 SILVER OPTION...
  • Page 42 Ball-bearings in an off-road car must be properly maintained for smooth operation and long lifespan. The XB4 ball-bearings are degreased and are lubricated with HUDY Bearing Oil or HUDY Grease. The following procedures are recommended to clean all of the bearings in your off-road car. For high- competition racing, we recommended doing this every 3-4 weeks, or before a major race.
  • Page 43 ° ° BRAND COMPOUND INSERTS WHEELS ELECTRONICS MOTOR SPEEDO #107720 GAUGE MOTOR BATTERY TIMING ELECTRONICS LAYOUT MOTOR POSITION FRONT REAR BATTERY POSITION FRONT REAR BATTERY SIZE STD. SHORT LOW SHORT COMMENTS HIGHER LOWER XB4’20 SET-UP SHEET VER. 1 ©XRAY 2019...
  • Page 44 199183 108201 104004 108205 108203 108204 106000 106036 109801 107701 181090 107740 107742 181030 293110 108190 104004 HUDY AIR VAC - VACUUM PUMP - 1/10 OFF-ROAD 108160 HUDY 1/10 OFF-ROAD CAR STAND - V2 105500 HUDY UNIVERSAL TIRE BALANCING STATION 108190 HUDY ALU TRAY FOR PARTS 105520...
  • Page 45 199270 107855 109880 199060 298100 108160 105520 109840 183011 107090 107601 177035 105550 175535 108905 108960 112045 132045 109860 111545 153055 107880 188990 111545 LIMITED EDITION - ALLEN WRENCH # 1.5MM 199270 HUDY LIPO SAFETY BAG 112045 LIMITED EDITION - ALLEN WRENCH # 2.0MM 293110 HUDY BRUSHLESS RC FAN 30MM 132045...
  • Page 46 RC AMERICA, 2030 Century Center Blvd #15, Irving, TX 75062, USA PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.com /TeamXray /TeamXray /TeamXray /TeamXrayRC /XrayRacing /XrayRacing...

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